component
ZMM55C3V3
Public Made by Adomby adom
FUXINSEMI Zener Diodes, LL-34. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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ZMM55C3V3
FUXINSEMI · Zener Diodes · LL-34
ZMM55C3V3 from FUXINSEMI, in a LL-34. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | FUXINSEMI |
| Package | LL-34 |
| Category | Diodes |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VZ tolerance (ZMM55Cxxx series, applies to ZMM55C3V3) | VZ | -5 | 5 | % | ZMM55Cxxx | 1 | |
| Power Dissipation | 500 | mW | TA = 25°C unless otherwise noted | 1 | |||
| Storage Temperature Range | -65 | 175 | °C | TA = 25°C unless otherwise noted | 1 | ||
| Operating Junction Temperature | 175 | °C | TA = 25°C unless otherwise noted | 1 |
CAD (KiCad official)
- Symbol:
ZMM55C3V3 - Footprint:
Diode_SMD:D_MiniMELF - 3D model: LL-34 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FUXINSEMI datasheet (4 pp, sha256
5d3d79fdfa5a1cac, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# ZMM55C3V3
**FUXINSEMI** · Zener Diodes · LL-34
ZMM55C3V3 from FUXINSEMI, in a LL-34. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | FUXINSEMI |
| Package | LL-34 |
| Category | Diodes |
| Pins | 2 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VZ tolerance (ZMM55Cxxx series, applies to ZMM55C3V3) | VZ | -5 | | 5 | % | ZMM55Cxxx | 1 |
| Power Dissipation | | | | 500 | mW | TA = 25°C unless otherwise noted | 1 |
| Storage Temperature Range | | -65 | | 175 | °C | TA = 25°C unless otherwise noted | 1 |
| Operating Junction Temperature | | | | 175 | °C | TA = 25°C unless otherwise noted | 1 |
## CAD (KiCad official)
- Symbol: `ZMM55C3V3`
- Footprint: `Diode_SMD:D_MiniMELF`
- 3D model: LL-34 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [FUXINSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757211803481063424) (4 pp, sha256 `5d3d79fdfa5a1cac`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/zmm55c3v3-datasheet.pdf)